Home / 154,959,515.11-213,859,235.58-115,733,190.58

Finding the Fourth Proportional to 154,959,515.11, 213,859,235.58 and 115,733,190.58

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Solution

The fourth proportional to 154,959,515.11, 213,859,235.58 and 115,733,190.58 is: 159,723,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,959,515.11 : 213,859,235.58 = 115,733,190.58 : x
  2. Step 2: Convert to fraction form
    154,959,515.11/213,859,235.58 = 115,733,190.58/x
  3. Step 3: Cross multiply
    154,959,515.11x = 213,859,235.58 × 115,733,190.58
  4. Step 4: Simplify right side
    154,959,515.11x = 24,750,611,668,673,256
  5. Step 5: Solve for x
    x = 24,750,611,668,673,256/154,959,515.11
  6. Step 6: Final answer
    x = 159,723,084.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.